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2024-10-31migration: Move cpu-throttle.c from system to migrationHyman Huang
Move cpu-throttle.c from system to migration since it's only used for migration; this makes us avoid exporting the util functions and variables in misc.h but export them in migration.h when implementing the periodic ramblock dirty sync feature in the upcoming commits. Since CPU throttle timers are only used in migration, move their registry to migration_object_init. Signed-off-by: Hyman Huang <yong.huang@smartx.com> Reviewed-by: Fabiano Rosas <farosas@suse.de> Link: https://lore.kernel.org/r/c1b3efaa0cb49e03d422e9da97bdb65cc3d234d1.1729146786.git.yong.huang@smartx.com [peterx: Fix build on MacOS on cocoa.m, not move cpu-throttle.h yet] [peterx: Fix subject spelling, per pm215] Signed-off-by: Peter Xu <peterx@redhat.com>
2024-09-09migration: Introduce 'qatzip' compression methodBryan Zhang
Adds support for 'qatzip' as an option for the multifd compression method parameter, and implements using QAT for 'qatzip' compression and decompression. Acked-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Fabiano Rosas <farosas@suse.de> Reviewed-by: Prasad Pandit <pjp@fedoraproject.org> Signed-off-by: Bryan Zhang <bryan.zhang@bytedance.com> Signed-off-by: Hao Xiang <hao.xiang@linux.dev> Signed-off-by: Yichen Wang <yichen.wang@bytedance.com> Link: https://lore.kernel.org/r/20240830232722.58272-5-yichen.wang@bytedance.com Signed-off-by: Peter Xu <peterx@redhat.com>
2024-09-03migration/multifd: Move nocomp code into multifd-nocomp.cFabiano Rosas
In preparation for adding new payload types to multifd, move most of the no-compression code into multifd-nocomp.c. Let's try to keep a semblance of layering by not mixing general multifd control flow with the details of transmitting pages of ram. There are still some pieces leftover, namely the p->normal, p->zero, etc variables that we use for zero page tracking and the packet allocation which is heavily dependent on the ram code. Reviewed-by: Peter Xu <peterx@redhat.com> Signed-off-by: Fabiano Rosas <farosas@suse.de>
2024-06-14migration/multifd: add uadk compression frameworkShameer Kolothum
Adds the skeleton to support uadk compression method. Complete functionality will be added in subsequent patches. Acked-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Fabiano Rosas <farosas@suse.de> Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com> Reviewed-by: Zhangfei Gao <zhangfei.gao@linaro.org> Signed-off-by: Fabiano Rosas <farosas@suse.de>
2024-06-14migration/multifd: add qpl compression methodYuan Liu
add the Query Processing Library (QPL) compression method Introduce the qpl as a new multifd migration compression method, it can use In-Memory Analytics Accelerator(IAA) to accelerate compression and decompression, which can not only reduce network bandwidth requirement but also reduce host compression and decompression CPU overhead. How to enable qpl compression during migration: migrate_set_parameter multifd-compression qpl There is no qpl compression level parameter added since it only supports level one, users do not need to specify the qpl compression level. Signed-off-by: Yuan Liu <yuan1.liu@intel.com> Reviewed-by: Nanhai Zou <nanhai.zou@intel.com> Reviewed-by: Peter Xu <peterx@redhat.com> Reviewed-by: Fabiano Rosas <farosas@suse.de> [fixed docs spacing in migration.json] Signed-off-by: Fabiano Rosas <farosas@suse.de>
2024-05-25migration: remove unnecessary zlib dependencyPaolo Bonzini
zlib code is only used by the emulators, not by the tests. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-05-08migration: Remove non-multifd compressionFabiano Rosas
The 'compress' migration capability enables the old compression code which has shown issues over the years and is thought to be less stable and tested than the more recent multifd-based compression. The old compression code has been deprecated in 8.2 and now is time to remove it. Deprecation commit 864128df46 ("migration: Deprecate old compression method"). Acked-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> Signed-off-by: Fabiano Rosas <farosas@suse.de>
2024-05-08migration: Remove block migrationFabiano Rosas
The block migration has been considered obsolete since QEMU 8.2 in favor of the more flexible storage migration provided by the blockdev-mirror driver. Two releases have passed so now it's time to remove it. Deprecation commit 66db46ca83 ("migration: Deprecate block migration"). Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> Signed-off-by: Fabiano Rosas <farosas@suse.de>
2024-04-18colo: move stubs out of stubs/Paolo Bonzini
Since the colo stubs are needed exactly when the build options are not enabled, move them together with the code they stub. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-ID: <20240408155330.522792-16-pbonzini@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-03-11migration/multifd: Implement zero page transmission on the multifd thread.Hao Xiang
1. Add zero_pages field in MultiFDPacket_t. 2. Implements the zero page detection and handling on the multifd threads for non-compression, zlib and zstd compression backends. 3. Added a new value 'multifd' in ZeroPageDetection enumeration. 4. Adds zero page counters and updates multifd send/receive tracing format to track the newly added counters. Signed-off-by: Hao Xiang <hao.xiang@bytedance.com> Acked-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Fabiano Rosas <farosas@suse.de> Link: https://lore.kernel.org/r/20240311180015.3359271-5-hao.xiang@linux.dev Signed-off-by: Peter Xu <peterx@redhat.com>
2023-10-04migration: file URISteve Sistare
Extend the migration URI to support file:<filename>. This can be used for any migration scenario that does not require a reverse path. It can be used as an alternative to 'exec:cat > file' in minimized containers that do not contain /bin/sh, and it is easier to use than the fd:<fdname> URI. It can be used in HMP commands, and as a qemu command-line parameter. For best performance, guest ram should be shared and x-ignore-shared should be true, so guest pages are not written to the file, in which case the guest may remain running. If ram is not so configured, then the user is advised to stop the guest first. Otherwise, a busy guest may re-dirty the same page, causing it to be appended to the file multiple times, and the file may grow unboundedly. That issue is being addressed in the "fixed-ram" patch series. Signed-off-by: Steve Sistare <steven.sistare@oracle.com> Tested-by: Michael Galaxy <mgalaxy@akamai.com> Reviewed-by: Michael Galaxy <mgalaxy@akamai.com> Reviewed-by: Fabiano Rosas <farosas@suse.de> Reviewed-by: Peter Xu <peterx@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com> Message-ID: <1694182931-61390-2-git-send-email-steven.sistare@oracle.com>
2023-06-20meson: Replace softmmu_ss -> system_ssPhilippe Mathieu-Daudé
We use the user_ss[] array to hold the user emulation sources, and the softmmu_ss[] array to hold the system emulation ones. Hold the latter in the 'system_ss[]' array for parity with user emulation. Mechanical change doing: $ sed -i -e s/softmmu_ss/system_ss/g $(git grep -l softmmu_ss) Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20230613133347.82210-10-philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-20meson: Replace CONFIG_SOFTMMU -> CONFIG_SYSTEM_ONLYPhilippe Mathieu-Daudé
Since we *might* have user emulation with softmmu, use the clearer 'CONFIG_SYSTEM_ONLY' key to check for system emulation. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20230613133347.82210-9-philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-23migration: Build migration_files onceRichard Henderson
The items in migration_files are built for libmigration and included info softmmu_ss from there; no need to also include them directly. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-18migration: Fix duplicated included in meson.buildJuan Quintela
This is the commint with the merge error (not in the submited patch). commit 52623f23b0d114837a0d6278180b3e3ae8947117 Author: Lukas Straub <lukasstraub2@web.de> Date: Thu Apr 20 11:48:35 2023 +0200 ram-compress.c: Make target independent Make ram-compress.c target independent. Fixes: 52623f23b0d114837a0d6278180b3e3ae8947117 Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> Message-Id: <20230509170217.83246-1-quintela@redhat.com>
2023-05-18migration: Move rate_limit_max and rate_limit_used to migration_statsJuan Quintela
These way we can make them atomic and use this functions from any place. I also moved all functions that use rate_limit to migration-stats. Functions got renamed, they are not qemu_file anymore. qemu_file_rate_limit -> migration_rate_exceeded qemu_file_set_rate_limit -> migration_rate_set qemu_file_get_rate_limit -> migration_rate_get qemu_file_reset_rate_limit -> migration_rate_reset qemu_file_acct_rate_limit -> migration_rate_account. Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com> Signed-off-by: Juan Quintela <quintela@redhat.com> Message-Id: <20230515195709.63843-6-quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2023-05-15migration: Make dirtyrate.c target independentJuan Quintela
After the previous two patches, there is nothing else that is target specific. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-Id: <20230511141208.17779-6-quintela@redhat.com>
2023-05-10build: move COLO under CONFIG_REPLICATIONVladimir Sementsov-Ogievskiy
We don't allow to use x-colo capability when replication is not configured. So, no reason to build COLO when replication is disabled, it's unusable in this case. Note also that the check in migrate_caps_check() is not the only restriction: some functions in migration/colo.c will just abort if called with not defined CONFIG_REPLICATION, for example: migration_iteration_finish() case MIGRATION_STATUS_COLO: migrate_start_colo_process() colo_process_checkpoint() abort() It could probably make sense to have possibility to enable COLO without REPLICATION, but this requires deeper audit of colo & replication code, which may be done later if needed. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru> Acked-by: Dr. David Alan Gilbert <dave@treblig.org> Reviewed-by: Juan Quintela <quintela@redhat.com> Message-Id: <20230428194928.1426370-4-vsementsov@yandex-team.ru> Signed-off-by: Juan Quintela <quintela@redhat.com>
2023-05-08ram-compress.c: Make target independentLukas Straub
Make ram-compress.c target independent. Signed-off-by: Lukas Straub <lukasstraub2@web.de> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2023-05-08ram.c: Move core compression code into its own fileLukas Straub
No functional changes intended. Signed-off-by: Lukas Straub <lukasstraub2@web.de> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2023-05-03migration: Move ram_stats to its own file migration-stats.[ch]Juan Quintela
There is already include/qemu/stats.h, so stats.h was a bad idea. We want this file to not depend on anything else, we will move all the migration counters/stats to this struct. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Lukas Straub <lukasstraub2@web.de>
2023-04-24migration: Create options.cJuan Quintela
We move there all capabilities helpers from migration.c. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> --- Following David advise: - looked through the history, capabilities are newer than 2012, so we can remove that bit of the header. - This part is posterior to Anthony. Original Author is Orit. Once there, I put myself. Peter Xu also did quite a bit of work here. Anyone else wants/needs to be there? I didn't search too hard because nobody asked before to be added. What do you think?
2023-02-06migration: Introduce interface query-migrationthreadsJiang Jiacheng
Introduce interface query-migrationthreads. The interface is used to query information about migration threads and returns with migration thread's name and its id. Introduce threadinfo.c to manage threads with migration. Signed-off-by: Jiang Jiacheng <jiangjiacheng@huawei.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2023-02-04migration: Move HMP commands from monitor/ to migration/Markus Armbruster
This moves these commands from MAINTAINERS sections "Human Monitor (HMP)" and "QMP" to "Migration". Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20230124121946.1139465-18-armbru@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com>
2022-06-23migration: remove the QEMUFileOps abstractionDaniel P. Berrangé
Now that all QEMUFile callbacks are removed, the entire concept can be deleted. Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2022-06-22migration: introduce a QIOChannel impl for BlockDriverState VMStateDaniel P. Berrangé
Introduce a QIOChannelBlock class that exposes the BlockDriverState VMState region for I/O. This is kept in the migration/ directory rather than io/, to avoid a mutual dependancy between block/ <-> io/ directories. Also the VMState should only be used by the migration code. Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> dgilbert: Fixed coding style in qio_channel_block_close
2022-04-28meson, configure: move RDMA options to mesonPaolo Bonzini
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-02-21configure, meson: move block layer options to meson_options.txtPaolo Bonzini
Unlike image formats, these also require an entry in config-host.h. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-05-14migration: Move populate_vfio_info() into a separate fileThomas Huth
The CONFIG_VFIO switch only works in target specific code. Since migration/migration.c is common code, the #ifdef does not have the intended behavior here. Move the related code to a separate file now which gets compiled via specific_ss instead. Fixes: 3710586caa ("qapi: Add VFIO devices migration stats in Migration stats") Message-Id: <20210414112004.943383-3-thuth@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-04-01Merge remote-tracking branch 'remotes/marcandre/tags/for-6.0-pull-request' ↵Peter Maydell
into staging For 6.0 misc patches under my radar. V2: - "tests: Add tests for yank with the chardev-change case" updated - drop the readthedoc theme patch # gpg: Signature made Thu 01 Apr 2021 12:54:52 BST # gpg: using RSA key 87A9BD933F87C606D276F62DDAE8E10975969CE5 # gpg: issuer "marcandre.lureau@redhat.com" # gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [full] # gpg: aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [full] # Primary key fingerprint: 87A9 BD93 3F87 C606 D276 F62D DAE8 E109 7596 9CE5 * remotes/marcandre/tags/for-6.0-pull-request: tests: Add tests for yank with the chardev-change case chardev: Fix yank with the chardev-change case chardev/char.c: Always pass id to chardev_new chardev/char.c: Move object_property_try_add_child out of chardev_new yank: Always link full yank code yank: Remove dependency on qiochannel docs: simplify each section title dbus-vmstate: Increase the size of input stream buffer used during load util: fix use-after-free in module_load_one Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-04-01yank: Remove dependency on qiochannelLukas Straub
Remove dependency on qiochannel by removing yank_generic_iochannel and letting migration and chardev use their own yank function for iochannel. Signed-off-by: Lukas Straub <lukasstraub2@web.de> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20ff143fc2db23e27cd41d38043e481376c9cec1.1616521341.git.lukasstraub2@web.de>
2021-04-01meson: Propagate gnutls dependency to migrationJessica Clarke
Commit 3eacf70bb5a83e4775ad8003cbca63a40f70c8c2 neglected to fix this for softmmu configs, which pull in migration's use of gnutls. This fixes the following compilation failure on Arm-based Macs: In file included from migration/multifd.c:23: In file included from migration/tls.h:25: In file included from include/io/channel-tls.h:26: In file included from include/crypto/tlssession.h:24: include/crypto/tlscreds.h:28:10: fatal error: 'gnutls/gnutls.h' file not found #include <gnutls/gnutls.h> ^~~~~~~~~~~~~~~~~ 1 error generated. (as well as for channel.c and tls.c) Signed-off-by: Jessica Clarke <jrtc27@jrtc27.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Message-Id: <20210320171221.37437-1-jrtc27@jrtc27.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-01-06zstd: convert to mesonPaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-12-19migration: Replace migration's JSON writer by the general oneMarkus Armbruster
Commit 8118f0950f "migration: Append JSON description of migration stream" needs a JSON writer. The existing qobject_to_json() wasn't a good fit, because it requires building a QObject to convert. Instead, migration got its very own JSON writer, in commit 190c882ce2 "QJSON: Add JSON writer". It tacitly limits numbers to int64_t, and strings contents to characters that don't need escaping, unlike qobject_to_json(). The previous commit factored the JSON writer out of qobject_to_json(). Replace migration's JSON writer by it. Cc: Juan Quintela <quintela@redhat.com> Cc: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20201211171152.146877-17-armbru@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2020-10-12migration: Move the creation of the library to the main meson.buildPhilippe Mathieu-Daudé
Be consistent creating all the libraries in the main meson.build file. Suggested-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20201006125602.2311423-6-philmd@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-09-25migration/dirtyrate: setup up query-dirtyrate framworkChuan Zheng
Add get_dirtyrate_thread() functions to setup query-dirtyrate framework. Signed-off-by: Chuan Zheng <zhengchuan@huawei.com> Signed-off-by: YanYing Zhuang <ann.zhuangyanying@huawei.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: David Edmondson <david.edmondson@oracle.com> Reviewed-by: Li Qiang <liq3ea@gmail.com> Message-Id: <1600237327-33618-2-git-send-email-zhengchuan@huawei.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2020-08-21meson: convert migration directory to MesonMarc-André Lureau
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-24 16:14:23 +0000